Air pollution

Campaigners are challenging the plan, which would allow 55 liners to moor on the Thames every year.

By bringing emissions down to the Paris climate talk target, the U.S. will improve air pollution to the point that it could save hundreds of thousands of lives

New research on the U.S. and China suggests heart health is partially determined by the quality of air we breathe.

More than half of those deaths occur in China and India, according to research.

The announcement marks the first red alert in the city's history.

Intense smog levels are expected to last until Thursday afternoon.

China says it will clean up its act, but when it's good and ready.

A new study from MIT found that the excess pollution will kill about 60 Americans prematurely.

The agency's scientists warned against setting the limit at this level.

Breathing air clean enough to meet the EPA's standards raises one's risk of heart disease death by 12 percent, according to a new study.

The project will pilot in San Francisco before it rolls out country-wide.

A new ban on public smoking in the Chinese capital took effect Monday.

Babies were born 23 grams heavier during Beijing's fresh air Olympics period.

India's cities have some of the worst air pollution on the planet.

Chinese capital will close last major coal plant next year in bid to avert economic costs of pollution.

Almost 3,000 fines handed out as French capital seeks to tackle dangerous levels of particulate matter.

Children's brains may be affected by pollution through age 10.

Stopping and starting at traffic lights may be toxic to your health.

Exposure to elements that exist in polluted air were found to be associated with cases of suicide.

Ozone is linked to asthma, heart disease, premature death, and an array of pregnancy complications

Advocates gather in New York City to brainstorm ways to make the solid fuel cooker safer for families with few other choices.